Reassemble Front End | Graco TI3840a instruction

Repair

Reassemble Front End

1. Check that o-rings (20, 21) are in position. Liberally

lubricate o-rings, threads of lock ring (11) and han- dle (1), and outside of lock ring.

11

21

TI3871a

2. Orient front end as required for desired fluid mani-

fold mounting (bottom mounting shown). Align slots (Y) to engage tabs (Z).

Y

20

TI3871a

Z

TI3873a

CAUTION

To prevent damage to purge rod (31), always slide front end straight onto purge rod.

3. Carefully slide front end straight onto purge rod

(31). Screw lock ring (11) onto handle (1) as far as possible by hand. Push on front end to ensure it is properly seated. Continue screwing lock ring onto handle until tightened very securely. When prop- erly assembled, lock ring is snug against handle.

1

7 11

31

TI3866a

4. Push mix module (39) onto rod (31) as far as pos-

sible.

3931

7

TI3845a

36

309856U

Image 36

Graco TI3840a important safety instructions Reassemble Front End

Contents

Important Safety Instructions Plural Component, Impingement Mix Mechanical Purge Spray Gun Contents Manual Conventions List of Models/Selection Guide Standard Round Pattern GunsPressure in psi MPa, bar Standard Flat Pattern Guns 247291, a Direct Impingement Round Pattern Guns Flow Rate in gpm lpm Direct Impingement Flat Pattern Guns Four-Hose Gun Personal Protective Equipment Fire and Explosion Hazard Overall View Key Piston Safety Lock Isocyanate HazardKeep a and B Components Separate Grounding Setup ISO Disengage piston safety lock, Adjust Purge Rod 1/4 Turn Adjust Flat CeramTip Follow Pressure Relief Procedure, ShutdownDaily Shutdown Shutdown for More than a Day Pressure Relief Procedure Optional Configurations Optional Fluid Manifold Position Follow Pressure Relief Procedure, page 18. Also Optional Hose PositionFluid Hoses Air Hose Maintenance Clean Outside of Gun Clean Air CapClean Muffler Clean Fluid Manifold Clean Slip-Fit Polycarballoy Mix Module Cleaning Component a ISO Ports Impingement Port Cleanout Drill Sizes XF1313 #81 Clean CeramTip External Quick Cleaning MethodCleanout Drill Sizes for Round CeramTips Round CeramTip Clean Purge Rod Adjust Purge Rod,Stuck Purge Rod Adjust Front Rod Seal Reassemble Front End, Adjust Purge Rod,Disassemble Front End, Adjust Rear Rod Seal Troubleshooting See Clean Purge Rod, Adjust Rear Rod Seal, Theory of Operation Gun Triggered Fluid SprayingGun Detriggered Mechanical Purging Cutaway View Repair Tools RequiredLubrication Replace CeramTip Disassemble Front End Reassemble Front End Adjust Purge Rod, Slip-Fit Polycarballoy Mix Module Attach fluid manifold. Return gun to service Rear Rod Seal Check Valves Piston and Purge Rod Install piston safety lock assembly until bottomed out Piston Safety Lock Air Valve 309856U Parts Flush Manifold Detail Part No. Description Qty Handle Slip-Fit Polycarballoy Mix Module Kits Slip-Fit Polycarballoy Mix Module Part Numbering CodeStandard Round Pattern Guns Standard Flat Pattern Guns Direct Impingement Round Pattern Guns Direct Impingement Flat Pattern Guns CeramTip Kits Round CeramTip Part Numbering CodeFlat CeramTip Part Numbering Code Flat CeramTips Drill Bit Kits Kit Part No Qty in Kit Drill Bit Size Illustration Nominal Gun Repair Kits Check Valve Filter Screen Kits 10 per kit Accessories Solvent Flush Pail Kit Hose Adapter KitsPour Nozzle Kit Technical Data Category Data Graco Standard Warranty Graco InformationToll Free